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-rw-r--r--dom/media/webaudio/ChannelMergerNode.h67
1 files changed, 67 insertions, 0 deletions
diff --git a/dom/media/webaudio/ChannelMergerNode.h b/dom/media/webaudio/ChannelMergerNode.h
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+++ b/dom/media/webaudio/ChannelMergerNode.h
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+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:set ts=2 sw=2 sts=2 et cindent: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef ChannelMergerNode_h_
+#define ChannelMergerNode_h_
+
+#include "AudioNode.h"
+
+namespace mozilla::dom {
+
+class AudioContext;
+struct ChannelMergerOptions;
+
+class ChannelMergerNode final : public AudioNode {
+ public:
+ static already_AddRefed<ChannelMergerNode> Create(
+ AudioContext& aAudioContext, const ChannelMergerOptions& aOptions,
+ ErrorResult& aRv);
+
+ NS_INLINE_DECL_REFCOUNTING_INHERITED(ChannelMergerNode, AudioNode)
+
+ static already_AddRefed<ChannelMergerNode> Constructor(
+ const GlobalObject& aGlobal, AudioContext& aAudioContext,
+ const ChannelMergerOptions& aOptions, ErrorResult& aRv) {
+ return Create(aAudioContext, aOptions, aRv);
+ }
+
+ JSObject* WrapObject(JSContext* aCx,
+ JS::Handle<JSObject*> aGivenProto) override;
+
+ uint16_t NumberOfInputs() const override { return mInputCount; }
+
+ const char* NodeType() const override { return "ChannelMergerNode"; }
+
+ virtual void SetChannelCount(uint32_t aChannelCount,
+ ErrorResult& aRv) override {
+ if (aChannelCount != 1) {
+ aRv.ThrowInvalidStateError(
+ "Cannot change channel count of ChannelMergerNode");
+ }
+ }
+
+ virtual void SetChannelCountModeValue(ChannelCountMode aMode,
+ ErrorResult& aRv) override {
+ if (aMode != ChannelCountMode::Explicit) {
+ aRv.ThrowInvalidStateError(
+ "Cannot change channel count mode of ChannelMergerNode");
+ }
+ }
+
+ size_t SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const override {
+ return aMallocSizeOf(this) + SizeOfExcludingThis(aMallocSizeOf);
+ }
+
+ private:
+ ChannelMergerNode(AudioContext* aContext, uint16_t aInputCount);
+ ~ChannelMergerNode() = default;
+
+ const uint16_t mInputCount;
+};
+
+} // namespace mozilla::dom
+
+#endif